1 // Copyright (c) 2009-2010 Satoshi Nakamoto
2 // Copyright (c) 2009-2014 The Bitcoin Core developers
3 // Distributed under the MIT software license, see the accompanying
4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
6 #if defined(HAVE_CONFIG_H)
7 #include "config/bitcoin-config.h"
11 #include "crypto/common.h"
12 #include "primitives/block.h"
15 #include "checkpoints.h"
16 #include "compat/sanity.h"
17 #include "consensus/upgrades.h"
18 #include "consensus/validation.h"
19 #include "httpserver.h"
22 #include "notarisationdb.h"
30 #include "rpc/server.h"
31 #include "rpc/pbaasrpc.h"
32 #include "rpc/register.h"
33 #include "script/standard.h"
34 #include "scheduler.h"
36 #include "torcontrol.h"
37 #include "ui_interface.h"
39 #include "utilmoneystr.h"
40 #include "validationinterface.h"
42 #include "wallet/wallet.h"
43 #include "wallet/walletdb.h"
52 #include <boost/algorithm/string/classification.hpp>
53 #include <boost/algorithm/string/predicate.hpp>
54 #include <boost/algorithm/string/replace.hpp>
55 #include <boost/algorithm/string/split.hpp>
56 #include <boost/bind.hpp>
57 #include <boost/filesystem.hpp>
58 #include <boost/function.hpp>
59 #include <boost/interprocess/sync/file_lock.hpp>
60 #include <boost/thread.hpp>
61 #include <openssl/crypto.h>
63 #include <libsnark/common/profiling.hpp>
66 #include "zmq/zmqnotificationinterface.h"
70 #include "amqp/amqpnotificationinterface.h"
73 #include "librustzcash.h"
77 extern void ThreadSendAlert();
78 extern int32_t KOMODO_LOADINGBLOCKS;
79 extern bool VERUS_MINTBLOCKS;
80 extern std::string VERUS_CHEATCATCHER;
82 ZCJoinSplit* pzcashParams = NULL;
85 CWallet* pwalletMain = NULL;
87 bool fFeeEstimatesInitialized = false;
90 static CZMQNotificationInterface* pzmqNotificationInterface = NULL;
94 static AMQPNotificationInterface* pAMQPNotificationInterface = NULL;
98 // Win32 LevelDB doesn't use file descriptors, and the ones used for
99 // accessing block files don't count towards the fd_set size limit
101 #define MIN_CORE_FILEDESCRIPTORS 0
103 #define MIN_CORE_FILEDESCRIPTORS 150
106 /** Used to pass flags to the Bind() function */
109 BF_EXPLICIT = (1U << 0),
110 BF_REPORT_ERROR = (1U << 1),
111 BF_WHITELIST = (1U << 2),
114 static const char* FEE_ESTIMATES_FILENAME="fee_estimates.dat";
115 CClientUIInterface uiInterface; // Declared but not defined in ui_interface.h
117 //////////////////////////////////////////////////////////////////////////////
123 // Thread management and startup/shutdown:
125 // The network-processing threads are all part of a thread group
126 // created by AppInit().
128 // A clean exit happens when StartShutdown() or the SIGTERM
129 // signal handler sets fRequestShutdown, which triggers
130 // the DetectShutdownThread(), which interrupts the main thread group.
131 // DetectShutdownThread() then exits, which causes AppInit() to
132 // continue (it .joins the shutdown thread).
133 // Shutdown() is then
134 // called to clean up database connections, and stop other
135 // threads that should only be stopped after the main network-processing
136 // threads have exited.
138 // Note that if running -daemon the parent process returns from AppInit2
139 // before adding any threads to the threadGroup, so .join_all() returns
140 // immediately and the parent exits from main().
143 std::atomic<bool> fRequestShutdown(false);
147 fRequestShutdown = true;
149 bool ShutdownRequested()
151 return fRequestShutdown;
154 class CCoinsViewErrorCatcher : public CCoinsViewBacked
157 CCoinsViewErrorCatcher(CCoinsView* view) : CCoinsViewBacked(view) {}
158 bool GetCoins(const uint256 &txid, CCoins &coins) const {
160 return CCoinsViewBacked::GetCoins(txid, coins);
161 } catch(const std::runtime_error& e) {
162 uiInterface.ThreadSafeMessageBox(_("Error reading from database, shutting down."), "", CClientUIInterface::MSG_ERROR);
163 LogPrintf("Error reading from database: %s\n", e.what());
164 // Starting the shutdown sequence and returning false to the caller would be
165 // interpreted as 'entry not found' (as opposed to unable to read data), and
166 // could lead to invalid interpretation. Just exit immediately, as we can't
167 // continue anyway, and all writes should be atomic.
171 // Writes do not need similar protection, as failure to write is handled by the caller.
174 static CCoinsViewDB *pcoinsdbview = NULL;
175 static CCoinsViewErrorCatcher *pcoinscatcher = NULL;
176 static boost::scoped_ptr<ECCVerifyHandle> globalVerifyHandle;
178 void Interrupt(boost::thread_group& threadGroup)
180 InterruptHTTPServer();
184 InterruptTorControl();
185 threadGroup.interrupt_all();
190 LogPrintf("%s: In progress...\n", __func__);
191 static CCriticalSection cs_Shutdown;
192 TRY_LOCK(cs_Shutdown, lockShutdown);
196 /// Note: Shutdown() must be able to handle cases in which AppInit2() failed part of the way,
197 /// for example if the data directory was found to be locked.
198 /// Be sure that anything that writes files or flushes caches only does this if the respective
199 /// module was initialized.
200 RenameThread("verus-shutoff");
201 mempool.AddTransactionsUpdated(1);
209 pwalletMain->Flush(false);
214 GenerateBitcoins(false, NULL, 0);
216 GenerateBitcoins(false, 0);
222 UnregisterNodeSignals(GetNodeSignals());
224 if (fFeeEstimatesInitialized)
226 boost::filesystem::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME;
227 CAutoFile est_fileout(fopen(est_path.string().c_str(), "wb"), SER_DISK, CLIENT_VERSION);
228 if (!est_fileout.IsNull())
229 mempool.WriteFeeEstimates(est_fileout);
231 LogPrintf("%s: Failed to write fee estimates to %s\n", __func__, est_path.string());
232 fFeeEstimatesInitialized = false;
237 if (pcoinsTip != NULL) {
242 delete pcoinscatcher;
243 pcoinscatcher = NULL;
251 pwalletMain->Flush(true);
255 if (pzmqNotificationInterface) {
256 UnregisterValidationInterface(pzmqNotificationInterface);
257 delete pzmqNotificationInterface;
258 pzmqNotificationInterface = NULL;
263 if (pAMQPNotificationInterface) {
264 UnregisterValidationInterface(pAMQPNotificationInterface);
265 delete pAMQPNotificationInterface;
266 pAMQPNotificationInterface = NULL;
272 boost::filesystem::remove(GetPidFile());
273 } catch (const boost::filesystem::filesystem_error& e) {
274 LogPrintf("%s: Unable to remove pidfile: %s\n", __func__, e.what());
277 UnregisterAllValidationInterfaces();
284 globalVerifyHandle.reset();
286 LogPrintf("%s: done\n", __func__);
290 * Signal handlers are very limited in what they are allowed to do, so:
292 void HandleSIGTERM(int)
294 fRequestShutdown = true;
297 void HandleSIGHUP(int)
299 fReopenDebugLog = true;
302 bool static InitError(const std::string &str)
304 uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_ERROR);
308 bool static InitWarning(const std::string &str)
310 uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_WARNING);
314 bool static Bind(const CService &addr, unsigned int flags) {
315 if (!(flags & BF_EXPLICIT) && IsLimited(addr))
317 std::string strError;
318 if (!BindListenPort(addr, strError, (flags & BF_WHITELIST) != 0)) {
319 if (flags & BF_REPORT_ERROR)
320 return InitError(strError);
328 cvBlockChange.notify_all();
329 LogPrint("rpc", "RPC stopped.\n");
332 void OnRPCPreCommand(const CRPCCommand& cmd)
335 string strWarning = GetWarnings("rpc");
336 if (strWarning != "" && !GetBoolArg("-disablesafemode", false) &&
338 throw JSONRPCError(RPC_FORBIDDEN_BY_SAFE_MODE, string("Safe mode: ") + strWarning);
341 std::string HelpMessage(HelpMessageMode mode)
343 const bool showDebug = GetBoolArg("-help-debug", false);
345 // When adding new options to the categories, please keep and ensure alphabetical ordering.
346 // Do not translate _(...) -help-debug options, many technical terms, and only a very small audience, so is unnecessary stress to translators
348 string strUsage = HelpMessageGroup(_("Options:"));
349 strUsage += HelpMessageOpt("-?", _("This help message"));
350 strUsage += HelpMessageOpt("-alerts", strprintf(_("Receive and display P2P network alerts (default: %u)"), DEFAULT_ALERTS));
351 strUsage += HelpMessageOpt("-alertnotify=<cmd>", _("Execute command when a relevant alert is received or we see a really long fork (%s in cmd is replaced by message)"));
352 strUsage += HelpMessageOpt("-blocknotify=<cmd>", _("Execute command when the best block changes (%s in cmd is replaced by block hash)"));
353 strUsage += HelpMessageOpt("-checkblocks=<n>", strprintf(_("How many blocks to check at startup (default: %u, 0 = all)"), 288));
354 strUsage += HelpMessageOpt("-checklevel=<n>", strprintf(_("How thorough the block verification of -checkblocks is (0-4, default: %u)"), 3));
355 strUsage += HelpMessageOpt("-conf=<file>", strprintf(_("Specify configuration file (default: %s)"), "komodo.conf"));
356 if (mode == HMM_BITCOIND)
359 strUsage += HelpMessageOpt("-daemon", _("Run in the background as a daemon and accept commands"));
362 strUsage += HelpMessageOpt("-datadir=<dir>", _("Specify data directory"));
363 strUsage += HelpMessageOpt("-exportdir=<dir>", _("Specify directory to be used when exporting data"));
364 strUsage += HelpMessageOpt("-dbcache=<n>", strprintf(_("Set database cache size in megabytes (%d to %d, default: %d)"), nMinDbCache, nMaxDbCache, nDefaultDbCache));
365 strUsage += HelpMessageOpt("-loadblock=<file>", _("Imports blocks from external blk000??.dat file") + " " + _("on startup"));
366 strUsage += HelpMessageOpt("-maxorphantx=<n>", strprintf(_("Keep at most <n> unconnectable transactions in memory (default: %u)"), DEFAULT_MAX_ORPHAN_TRANSACTIONS));
367 strUsage += HelpMessageOpt("-mempooltxinputlimit=<n>", _("[DEPRECATED FROM OVERWINTER] Set the maximum number of transparent inputs in a transaction that the mempool will accept (default: 0 = no limit applied)"));
368 strUsage += HelpMessageOpt("-par=<n>", strprintf(_("Set the number of script verification threads (%u to %d, 0 = auto, <0 = leave that many cores free, default: %d)"),
369 -(int)boost::thread::hardware_concurrency(), MAX_SCRIPTCHECK_THREADS, DEFAULT_SCRIPTCHECK_THREADS));
371 strUsage += HelpMessageOpt("-pid=<file>", strprintf(_("Specify pid file (default: %s)"), "verusd.pid"));
373 strUsage += HelpMessageOpt("-prune=<n>", strprintf(_("Reduce storage requirements by pruning (deleting) old blocks. This mode disables wallet support and is incompatible with -txindex. "
374 "Warning: Reverting this setting requires re-downloading the entire blockchain. "
375 "(default: 0 = disable pruning blocks, >%u = target size in MiB to use for block files)"), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024));
376 strUsage += HelpMessageOpt("-reindex", _("Rebuild block chain index from current blk000??.dat files on startup"));
378 strUsage += HelpMessageOpt("-sysperms", _("Create new files with system default permissions, instead of umask 077 (only effective with disabled wallet functionality)"));
380 strUsage += HelpMessageOpt("-txindex", strprintf(_("Maintain a full transaction index, used by the getrawtransaction rpc call (default: %u)"), 0));
381 strUsage += HelpMessageOpt("-addressindex", strprintf(_("Maintain a full address index, used to query for the balance, txids and unspent outputs for addresses (default: %u)"), DEFAULT_ADDRESSINDEX));
382 strUsage += HelpMessageOpt("-timestampindex", strprintf(_("Maintain a timestamp index for block hashes, used to query blocks hashes by a range of timestamps (default: %u)"), DEFAULT_TIMESTAMPINDEX));
383 strUsage += HelpMessageOpt("-spentindex", strprintf(_("Maintain a full spent index, used to query the spending txid and input index for an outpoint (default: %u)"), DEFAULT_SPENTINDEX));
384 strUsage += HelpMessageGroup(_("Connection options:"));
385 strUsage += HelpMessageOpt("-addnode=<ip>", _("Add a node to connect to and attempt to keep the connection open"));
386 strUsage += HelpMessageOpt("-banscore=<n>", strprintf(_("Threshold for disconnecting misbehaving peers (default: %u)"), 100));
387 strUsage += HelpMessageOpt("-bantime=<n>", strprintf(_("Number of seconds to keep misbehaving peers from reconnecting (default: %u)"), 86400));
388 strUsage += HelpMessageOpt("-bind=<addr>", _("Bind to given address and always listen on it. Use [host]:port notation for IPv6"));
389 strUsage += HelpMessageOpt("-connect=<ip>", _("Connect only to the specified node(s)"));
390 strUsage += HelpMessageOpt("-discover", _("Discover own IP addresses (default: 1 when listening and no -externalip or -proxy)"));
391 strUsage += HelpMessageOpt("-dns", _("Allow DNS lookups for -addnode, -seednode and -connect") + " " + _("(default: 1)"));
392 strUsage += HelpMessageOpt("-dnsseed", _("Query for peer addresses via DNS lookup, if low on addresses (default: 1 unless -connect)"));
393 strUsage += HelpMessageOpt("-externalip=<ip>", _("Specify your own public address"));
394 strUsage += HelpMessageOpt("-forcednsseed", strprintf(_("Always query for peer addresses via DNS lookup (default: %u)"), 0));
395 strUsage += HelpMessageOpt("-listen", _("Accept connections from outside (default: 1 if no -proxy or -connect)"));
396 strUsage += HelpMessageOpt("-listenonion", strprintf(_("Automatically create Tor hidden service (default: %d)"), DEFAULT_LISTEN_ONION));
397 strUsage += HelpMessageOpt("-maxconnections=<n>", strprintf(_("Maintain at most <n> connections to peers (default: %u)"), DEFAULT_MAX_PEER_CONNECTIONS));
398 strUsage += HelpMessageOpt("-maxreceivebuffer=<n>", strprintf(_("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)"), 5000));
399 strUsage += HelpMessageOpt("-maxsendbuffer=<n>", strprintf(_("Maximum per-connection send buffer, <n>*1000 bytes (default: %u)"), 1000));
400 strUsage += HelpMessageOpt("-onion=<ip:port>", strprintf(_("Use separate SOCKS5 proxy to reach peers via Tor hidden services (default: %s)"), "-proxy"));
401 strUsage += HelpMessageOpt("-onlynet=<net>", _("Only connect to nodes in network <net> (ipv4, ipv6 or onion)"));
402 strUsage += HelpMessageOpt("-permitbaremultisig", strprintf(_("Relay non-P2SH multisig (default: %u)"), 1));
403 strUsage += HelpMessageOpt("-peerbloomfilters", strprintf(_("Support filtering of blocks and transaction with Bloom filters (default: %u)"), 1));
405 strUsage += HelpMessageOpt("-enforcenodebloom", strprintf("Enforce minimum protocol version to limit use of Bloom filters (default: %u)", 0));
406 strUsage += HelpMessageOpt("-port=<port>", strprintf(_("Listen for connections on <port> (default: %u or testnet: %u)"), 7770, 17770));
407 strUsage += HelpMessageOpt("-proxy=<ip:port>", _("Connect through SOCKS5 proxy"));
408 strUsage += HelpMessageOpt("-proxyrandomize", strprintf(_("Randomize credentials for every proxy connection. This enables Tor stream isolation (default: %u)"), 1));
409 strUsage += HelpMessageOpt("-seednode=<ip>", _("Connect to a node to retrieve peer addresses, and disconnect"));
410 strUsage += HelpMessageOpt("-timeout=<n>", strprintf(_("Specify connection timeout in milliseconds (minimum: 1, default: %d)"), DEFAULT_CONNECT_TIMEOUT));
411 strUsage += HelpMessageOpt("-torcontrol=<ip>:<port>", strprintf(_("Tor control port to use if onion listening enabled (default: %s)"), DEFAULT_TOR_CONTROL));
412 strUsage += HelpMessageOpt("-torpassword=<pass>", _("Tor control port password (default: empty)"));
413 strUsage += HelpMessageOpt("-whitebind=<addr>", _("Bind to given address and whitelist peers connecting to it. Use [host]:port notation for IPv6"));
414 strUsage += HelpMessageOpt("-whitelist=<netmask>", _("Whitelist peers connecting from the given netmask or IP address. Can be specified multiple times.") +
415 " " + _("Whitelisted peers cannot be DoS banned and their transactions are always relayed, even if they are already in the mempool, useful e.g. for a gateway"));
418 strUsage += HelpMessageGroup(_("Wallet options:"));
419 strUsage += HelpMessageOpt("-disablewallet", _("Do not load the wallet and disable wallet RPC calls"));
420 strUsage += HelpMessageOpt("-keypool=<n>", strprintf(_("Set key pool size to <n> (default: %u)"), 100));
422 strUsage += HelpMessageOpt("-mintxfee=<amt>", strprintf("Fees (in %s/kB) smaller than this are considered zero fee for transaction creation (default: %s)",
423 CURRENCY_UNIT, FormatMoney(CWallet::minTxFee.GetFeePerK())));
424 strUsage += HelpMessageOpt("-paytxfee=<amt>", strprintf(_("Fee (in %s/kB) to add to transactions you send (default: %s)"),
425 CURRENCY_UNIT, FormatMoney(payTxFee.GetFeePerK())));
426 strUsage += HelpMessageOpt("-rescan", _("Rescan the block chain for missing wallet transactions") + " " + _("on startup"));
427 strUsage += HelpMessageOpt("-salvagewallet", _("Attempt to recover private keys from a corrupt wallet.dat") + " " + _("on startup"));
428 strUsage += HelpMessageOpt("-sendfreetransactions", strprintf(_("Send transactions as zero-fee transactions if possible (default: %u)"), 0));
429 strUsage += HelpMessageOpt("-spendzeroconfchange", strprintf(_("Spend unconfirmed change when sending transactions (default: %u)"), 1));
430 strUsage += HelpMessageOpt("-txconfirmtarget=<n>", strprintf(_("If paytxfee is not set, include enough fee so transactions begin confirmation on average within n blocks (default: %u)"), DEFAULT_TX_CONFIRM_TARGET));
431 strUsage += HelpMessageOpt("-txexpirydelta", strprintf(_("Set the number of blocks after which a transaction that has not been mined will become invalid (default: %u)"), DEFAULT_TX_EXPIRY_DELTA));
432 strUsage += HelpMessageOpt("-maxtxfee=<amt>", strprintf(_("Maximum total fees (in %s) to use in a single wallet transaction; setting this too low may abort large transactions (default: %s)"),
433 CURRENCY_UNIT, FormatMoney(maxTxFee)));
434 strUsage += HelpMessageOpt("-upgradewallet", _("Upgrade wallet to latest format") + " " + _("on startup"));
435 strUsage += HelpMessageOpt("-wallet=<file>", _("Specify wallet file (within data directory)") + " " + strprintf(_("(default: %s)"), "wallet.dat"));
436 strUsage += HelpMessageOpt("-walletbroadcast", _("Make the wallet broadcast transactions") + " " + strprintf(_("(default: %u)"), true));
437 strUsage += HelpMessageOpt("-walletnotify=<cmd>", _("Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)"));
438 strUsage += HelpMessageOpt("-zapwallettxes=<mode>", _("Delete all wallet transactions and only recover those parts of the blockchain through -rescan on startup") +
439 " " + _("(1 = keep tx meta data e.g. account owner and payment request information, 2 = drop tx meta data)"));
443 strUsage += HelpMessageGroup(_("ZeroMQ notification options:"));
444 strUsage += HelpMessageOpt("-zmqpubhashblock=<address>", _("Enable publish hash block in <address>"));
445 strUsage += HelpMessageOpt("-zmqpubhashtx=<address>", _("Enable publish hash transaction in <address>"));
446 strUsage += HelpMessageOpt("-zmqpubrawblock=<address>", _("Enable publish raw block in <address>"));
447 strUsage += HelpMessageOpt("-zmqpubrawtx=<address>", _("Enable publish raw transaction in <address>"));
451 strUsage += HelpMessageGroup(_("AMQP 1.0 notification options:"));
452 strUsage += HelpMessageOpt("-amqppubhashblock=<address>", _("Enable publish hash block in <address>"));
453 strUsage += HelpMessageOpt("-amqppubhashtx=<address>", _("Enable publish hash transaction in <address>"));
454 strUsage += HelpMessageOpt("-amqppubrawblock=<address>", _("Enable publish raw block in <address>"));
455 strUsage += HelpMessageOpt("-amqppubrawtx=<address>", _("Enable publish raw transaction in <address>"));
458 strUsage += HelpMessageGroup(_("Debugging/Testing options:"));
461 strUsage += HelpMessageOpt("-checkpoints", strprintf("Disable expensive verification for known chain history (default: %u)", 1));
462 strUsage += HelpMessageOpt("-dblogsize=<n>", strprintf("Flush database activity from memory pool to disk log every <n> megabytes (default: %u)", 100));
463 strUsage += HelpMessageOpt("-disablesafemode", strprintf("Disable safemode, override a real safe mode event (default: %u)", 0));
464 strUsage += HelpMessageOpt("-testsafemode", strprintf("Force safe mode (default: %u)", 0));
465 strUsage += HelpMessageOpt("-dropmessagestest=<n>", "Randomly drop 1 of every <n> network messages");
466 strUsage += HelpMessageOpt("-fuzzmessagestest=<n>", "Randomly fuzz 1 of every <n> network messages");
467 strUsage += HelpMessageOpt("-flushwallet", strprintf("Run a thread to flush wallet periodically (default: %u)", 1));
468 strUsage += HelpMessageOpt("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", 0));
469 strUsage += HelpMessageOpt("-nuparams=hexBranchId:activationHeight", "Use given activation height for specified network upgrade (regtest-only)");
471 string debugCategories = "addrman, alert, bench, coindb, db, estimatefee, http, libevent, lock, mempool, net, partitioncheck, pow, proxy, prune, "
472 "rand, reindex, rpc, selectcoins, tor, zmq, zrpc, zrpcunsafe (implies zrpc)"; // Don't translate these
473 strUsage += HelpMessageOpt("-debug=<category>", strprintf(_("Output debugging information (default: %u, supplying <category> is optional)"), 0) + ". " +
474 _("If <category> is not supplied or if <category> = 1, output all debugging information.") + " " + _("<category> can be:") + " " + debugCategories + ".");
475 strUsage += HelpMessageOpt("-experimentalfeatures", _("Enable use of experimental features"));
476 strUsage += HelpMessageOpt("-help-debug", _("Show all debugging options (usage: --help -help-debug)"));
477 strUsage += HelpMessageOpt("-logips", strprintf(_("Include IP addresses in debug output (default: %u)"), 0));
478 strUsage += HelpMessageOpt("-logtimestamps", strprintf(_("Prepend debug output with timestamp (default: %u)"), 1));
481 strUsage += HelpMessageOpt("-limitfreerelay=<n>", strprintf("Continuously rate-limit free transactions to <n>*1000 bytes per minute (default: %u)", 15));
482 strUsage += HelpMessageOpt("-relaypriority", strprintf("Require high priority for relaying free or low-fee transactions (default: %u)", 0));
483 strUsage += HelpMessageOpt("-maxsigcachesize=<n>", strprintf("Limit size of signature cache to <n> entries (default: %u)", 50000));
484 strUsage += HelpMessageOpt("-maxtipage=<n>", strprintf("Maximum tip age in seconds to consider node in initial block download (default: %u)", DEFAULT_MAX_TIP_AGE));
486 strUsage += HelpMessageOpt("-minrelaytxfee=<amt>", strprintf(_("Fees (in %s/kB) smaller than this are considered zero fee for relaying (default: %s)"),
487 CURRENCY_UNIT, FormatMoney(::minRelayTxFee.GetFeePerK())));
488 strUsage += HelpMessageOpt("-printtoconsole", _("Send trace/debug info to console instead of debug.log file"));
491 strUsage += HelpMessageOpt("-printpriority", strprintf("Log transaction priority and fee per kB when mining blocks (default: %u)", 0));
492 strUsage += HelpMessageOpt("-privdb", strprintf("Sets the DB_PRIVATE flag in the wallet db environment (default: %u)", 1));
493 strUsage += HelpMessageOpt("-regtest", "Enter regression test mode, which uses a special chain in which blocks can be solved instantly. "
494 "This is intended for regression testing tools and app development.");
496 strUsage += HelpMessageOpt("-shrinkdebugfile", _("Shrink debug.log file on client startup (default: 1 when no -debug)"));
497 strUsage += HelpMessageOpt("-testnet", _("Use the test network"));
499 strUsage += HelpMessageGroup(_("Node relay options:"));
500 strUsage += HelpMessageOpt("-datacarrier", strprintf(_("Relay and mine data carrier transactions (default: %u)"), 1));
501 strUsage += HelpMessageOpt("-datacarriersize", strprintf(_("Maximum size of data in data carrier transactions we relay and mine (default: %u)"), MAX_OP_RETURN_RELAY));
503 strUsage += HelpMessageGroup(_("Block creation options:"));
504 strUsage += HelpMessageOpt("-blockminsize=<n>", strprintf(_("Set minimum block size in bytes (default: %u)"), 0));
505 strUsage += HelpMessageOpt("-blockmaxsize=<n>", strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_SIZE));
506 strUsage += HelpMessageOpt("-blockprioritysize=<n>", strprintf(_("Set maximum size of high-priority/low-fee transactions in bytes (default: %d)"), DEFAULT_BLOCK_PRIORITY_SIZE));
507 if (GetBoolArg("-help-debug", false))
508 strUsage += HelpMessageOpt("-blockversion=<n>", strprintf("Override block version to test forking scenarios (default: %d)", (int)CBlock::CURRENT_VERSION));
511 strUsage += HelpMessageGroup(_("Mining options:"));
512 strUsage += HelpMessageOpt("-mint", strprintf(_("Mint/stake coins automatically (default: %u)"), 0));
513 strUsage += HelpMessageOpt("-gen", strprintf(_("Mine/generate coins (default: %u)"), 0));
514 strUsage += HelpMessageOpt("-genproclimit=<n>", strprintf(_("Set the number of threads for coin mining if enabled (-1 = all cores, default: %d)"), 0));
515 strUsage += HelpMessageOpt("-equihashsolver=<name>", _("Specify the Equihash solver to be used if enabled (default: \"default\")"));
516 strUsage += HelpMessageOpt("-mineraddress=<addr>", _("Send mined coins to a specific single address"));
517 strUsage += HelpMessageOpt("-minetolocalwallet", strprintf(
518 _("Require that mined blocks use a coinbase address in the local wallet (default: %u)"),
527 strUsage += HelpMessageGroup(_("RPC server options:"));
528 strUsage += HelpMessageOpt("-server", _("Accept command line and JSON-RPC commands"));
529 strUsage += HelpMessageOpt("-rest", strprintf(_("Accept public REST requests (default: %u)"), 0));
530 strUsage += HelpMessageOpt("-rpcbind=<addr>", _("Bind to given address to listen for JSON-RPC connections. Use [host]:port notation for IPv6. This option can be specified multiple times (default: bind to all interfaces)"));
531 strUsage += HelpMessageOpt("-rpcuser=<user>", _("Username for JSON-RPC connections"));
532 strUsage += HelpMessageOpt("-rpcpassword=<pw>", _("Password for JSON-RPC connections"));
533 strUsage += HelpMessageOpt("-rpcport=<port>", strprintf(_("Listen for JSON-RPC connections on <port> (default: %u or testnet: %u)"), 7771, 17771));
534 strUsage += HelpMessageOpt("-rpcallowip=<ip>", _("Allow JSON-RPC connections from specified source. Valid for <ip> are a single IP (e.g. 1.2.3.4), a network/netmask (e.g. 1.2.3.4/255.255.255.0) or a network/CIDR (e.g. 1.2.3.4/24). This option can be specified multiple times"));
535 strUsage += HelpMessageOpt("-rpcthreads=<n>", strprintf(_("Set the number of threads to service RPC calls (default: %d)"), DEFAULT_HTTP_THREADS));
537 strUsage += HelpMessageOpt("-rpcworkqueue=<n>", strprintf("Set the depth of the work queue to service RPC calls (default: %d)", DEFAULT_HTTP_WORKQUEUE));
538 strUsage += HelpMessageOpt("-rpcservertimeout=<n>", strprintf("Timeout during HTTP requests (default: %d)", DEFAULT_HTTP_SERVER_TIMEOUT));
541 // Disabled until we can lock notes and also tune performance of libsnark which by default uses multiple threads
542 //strUsage += HelpMessageOpt("-rpcasyncthreads=<n>", strprintf(_("Set the number of threads to service Async RPC calls (default: %d)"), 1));
544 if (mode == HMM_BITCOIND) {
545 strUsage += HelpMessageGroup(_("Metrics Options (only if -daemon and -printtoconsole are not set):"));
546 strUsage += HelpMessageOpt("-showmetrics", _("Show metrics on stdout (default: 1 if running in a console, 0 otherwise)"));
547 strUsage += HelpMessageOpt("-metricsui", _("Set to 1 for a persistent metrics screen, 0 for sequential metrics output (default: 1 if running in a console, 0 otherwise)"));
548 strUsage += HelpMessageOpt("-metricsrefreshtime", strprintf(_("Number of seconds between metrics refreshes (default: %u if running in a console, %u otherwise)"), 1, 600));
554 static void BlockNotifyCallback(const uint256& hashNewTip)
556 std::string strCmd = GetArg("-blocknotify", "");
558 boost::replace_all(strCmd, "%s", hashNewTip.GetHex());
559 boost::thread t(runCommand, strCmd); // thread runs free
565 assert(fImporting == false);
570 assert(fImporting == true);
576 // If we're using -prune with -reindex, then delete block files that will be ignored by the
577 // reindex. Since reindexing works by starting at block file 0 and looping until a blockfile
578 // is missing, do the same here to delete any later block files after a gap. Also delete all
579 // rev files since they'll be rewritten by the reindex anyway. This ensures that vinfoBlockFile
580 // is in sync with what's actually on disk by the time we start downloading, so that pruning
582 void CleanupBlockRevFiles()
584 using namespace boost::filesystem;
585 map<string, path> mapBlockFiles;
587 // Glob all blk?????.dat and rev?????.dat files from the blocks directory.
588 // Remove the rev files immediately and insert the blk file paths into an
589 // ordered map keyed by block file index.
590 LogPrintf("Removing unusable blk?????.dat and rev?????.dat files for -reindex with -prune\n");
591 path blocksdir = GetDataDir() / "blocks";
592 for (directory_iterator it(blocksdir); it != directory_iterator(); it++) {
593 if (is_regular_file(*it) &&
594 it->path().filename().string().length() == 12 &&
595 it->path().filename().string().substr(8,4) == ".dat")
597 if (it->path().filename().string().substr(0,3) == "blk")
598 mapBlockFiles[it->path().filename().string().substr(3,5)] = it->path();
599 else if (it->path().filename().string().substr(0,3) == "rev")
603 path komodostate = GetDataDir() / "komodostate";
605 path minerids = GetDataDir() / "minerids";
607 // Remove all block files that aren't part of a contiguous set starting at
608 // zero by walking the ordered map (keys are block file indices) by
609 // keeping a separate counter. Once we hit a gap (or if 0 doesn't exist)
610 // start removing block files.
611 int nContigCounter = 0;
612 BOOST_FOREACH(const PAIRTYPE(string, path)& item, mapBlockFiles) {
613 if (atoi(item.first) == nContigCounter) {
621 void ThreadImport(std::vector<boost::filesystem::path> vImportFiles)
623 RenameThread("zcash-loadblk");
629 CDiskBlockPos pos(nFile, 0);
630 if (!boost::filesystem::exists(GetBlockPosFilename(pos, "blk")))
631 break; // No block files left to reindex
632 FILE *file = OpenBlockFile(pos, true);
634 break; // This error is logged in OpenBlockFile
635 LogPrintf("Reindexing block file blk%05u.dat...\n", (unsigned int)nFile);
636 LoadExternalBlockFile(file, &pos);
639 pblocktree->WriteReindexing(false);
641 LogPrintf("Reindexing finished\n");
642 // To avoid ending up in a situation without genesis block, re-try initializing (no-op if reindexing worked):
644 KOMODO_LOADINGBLOCKS = 0;
647 // hardcoded $DATADIR/bootstrap.dat
648 boost::filesystem::path pathBootstrap = GetDataDir() / "bootstrap.dat";
649 if (boost::filesystem::exists(pathBootstrap)) {
650 FILE *file = fopen(pathBootstrap.string().c_str(), "rb");
653 boost::filesystem::path pathBootstrapOld = GetDataDir() / "bootstrap.dat.old";
654 LogPrintf("Importing bootstrap.dat...\n");
655 LoadExternalBlockFile(file);
656 RenameOver(pathBootstrap, pathBootstrapOld);
658 LogPrintf("Warning: Could not open bootstrap file %s\n", pathBootstrap.string());
663 BOOST_FOREACH(const boost::filesystem::path& path, vImportFiles) {
664 FILE *file = fopen(path.string().c_str(), "rb");
667 LogPrintf("Importing blocks file %s...\n", path.string());
668 LoadExternalBlockFile(file);
670 LogPrintf("Warning: Could not open blocks file %s\n", path.string());
674 if (GetBoolArg("-stopafterblockimport", false)) {
675 LogPrintf("Stopping after block import\n");
681 * Ensure that Bitcoin is running in a usable environment with all
682 * necessary library support.
684 bool InitSanityCheck(void)
686 if(!ECC_InitSanityCheck()) {
687 InitError("Elliptic curve cryptography sanity check failure. Aborting.");
690 if (!glibc_sanity_test() || !glibcxx_sanity_test())
697 static void ZC_LoadParams(
698 const CChainParams& chainparams
701 struct timeval tv_start, tv_end;
704 boost::filesystem::path pk_path = ZC_GetParamsDir() / "sprout-proving.key";
705 boost::filesystem::path vk_path = ZC_GetParamsDir() / "sprout-verifying.key";
706 boost::filesystem::path sapling_spend = ZC_GetParamsDir() / "sapling-spend.params";
707 boost::filesystem::path sapling_output = ZC_GetParamsDir() / "sapling-output.params";
708 boost::filesystem::path sprout_groth16 = ZC_GetParamsDir() / "sprout-groth16.params";
711 boost::filesystem::exists(pk_path) &&
712 boost::filesystem::exists(vk_path) &&
713 boost::filesystem::exists(sapling_spend) &&
714 boost::filesystem::exists(sapling_output) &&
715 boost::filesystem::exists(sprout_groth16)
717 uiInterface.ThreadSafeMessageBox(strprintf(
718 _("Cannot find the Zcash network parameters in the following directory:\n"
720 "Please run 'fetch-params' or './zcutil/fetch-params.sh' and then restart."),
722 "", CClientUIInterface::MSG_ERROR);
727 LogPrintf("Loading verifying key from %s\n", vk_path.string().c_str());
728 gettimeofday(&tv_start, 0);
730 pzcashParams = ZCJoinSplit::Prepared(vk_path.string(), pk_path.string());
732 gettimeofday(&tv_end, 0);
733 elapsed = float(tv_end.tv_sec-tv_start.tv_sec) + (tv_end.tv_usec-tv_start.tv_usec)/float(1000000);
734 LogPrintf("Loaded verifying key in %fs seconds.\n", elapsed);
737 sizeof(boost::filesystem::path::value_type) == sizeof(codeunit),
738 "librustzcash not configured correctly");
739 auto sapling_spend_str = sapling_spend.native();
740 auto sapling_output_str = sapling_output.native();
741 auto sprout_groth16_str = sprout_groth16.native();
743 LogPrintf("Loading Sapling (Spend) parameters from %s\n", sapling_spend.string().c_str());
744 LogPrintf("Loading Sapling (Output) parameters from %s\n", sapling_output.string().c_str());
745 LogPrintf("Loading Sapling (Sprout Groth16) parameters from %s\n", sprout_groth16.string().c_str());
746 gettimeofday(&tv_start, 0);
748 librustzcash_init_zksnark_params(
749 reinterpret_cast<const codeunit*>(sapling_spend_str.c_str()),
750 sapling_spend_str.length(),
751 "8270785a1a0d0bc77196f000ee6d221c9c9894f55307bd9357c3f0105d31ca63991ab91324160d8f53e2bbd3c2633a6eb8bdf5205d822e7f3f73edac51b2b70c",
752 reinterpret_cast<const codeunit*>(sapling_output_str.c_str()),
753 sapling_output_str.length(),
754 "657e3d38dbb5cb5e7dd2970e8b03d69b4787dd907285b5a7f0790dcc8072f60bf593b32cc2d1c030e00ff5ae64bf84c5c3beb84ddc841d48264b4a171744d028",
755 reinterpret_cast<const codeunit*>(sprout_groth16_str.c_str()),
756 sprout_groth16_str.length(),
757 "e9b238411bd6c0ec4791e9d04245ec350c9c5744f5610dfcce4365d5ca49dfefd5054e371842b3f88fa1b9d7e8e075249b3ebabd167fa8b0f3161292d36c180a"
760 gettimeofday(&tv_end, 0);
761 elapsed = float(tv_end.tv_sec-tv_start.tv_sec) + (tv_end.tv_usec-tv_start.tv_usec)/float(1000000);
762 LogPrintf("Loaded Sapling parameters in %fs seconds.\n", elapsed);
765 bool AppInitServers(boost::thread_group& threadGroup)
767 RPCServer::OnStopped(&OnRPCStopped);
768 RPCServer::OnPreCommand(&OnRPCPreCommand);
769 if (!InitHTTPServer())
775 if (GetBoolArg("-rest", false) && !StartREST())
777 if (!StartHTTPServer())
782 /** Initialize bitcoin.
783 * @pre Parameters should be parsed and config file should be read.
785 extern int32_t KOMODO_REWIND;
787 bool AppInitNetworking()
789 // ********************************************************* Step 1: setup
791 // Turn off Microsoft heap dump noise
792 _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
793 _CrtSetReportFile(_CRT_WARN, CreateFileA("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
796 // Disable confusing "helpful" text message on abort, Ctrl-C
797 _set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
800 // Enable Data Execution Prevention (DEP)
801 // Minimum supported OS versions: WinXP SP3, WinVista >= SP1, Win Server 2008
802 // A failure is non-critical and needs no further attention!
803 #ifndef PROCESS_DEP_ENABLE
804 // We define this here, because GCCs winbase.h limits this to _WIN32_WINNT >= 0x0601 (Windows 7),
805 // which is not correct. Can be removed, when GCCs winbase.h is fixed!
806 #define PROCESS_DEP_ENABLE 0x00000001
808 typedef BOOL (WINAPI *PSETPROCDEPPOL)(DWORD);
809 PSETPROCDEPPOL setProcDEPPol = (PSETPROCDEPPOL)GetProcAddress(GetModuleHandleA("Kernel32.dll"), "SetProcessDEPPolicy");
810 if (setProcDEPPol != NULL) setProcDEPPol(PROCESS_DEP_ENABLE);
813 if (!SetupNetworking())
814 return InitError("Error: Initializing networking failed");
819 bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
822 if (GetBoolArg("-sysperms", false)) {
824 if (!GetBoolArg("-disablewallet", false))
825 return InitError("Error: -sysperms is not allowed in combination with enabled wallet functionality");
831 // Clean shutdown on SIGTERM
833 sa.sa_handler = HandleSIGTERM;
834 sigemptyset(&sa.sa_mask);
836 sigaction(SIGTERM, &sa, NULL);
837 sigaction(SIGINT, &sa, NULL);
839 // Reopen debug.log on SIGHUP
840 struct sigaction sa_hup;
841 sa_hup.sa_handler = HandleSIGHUP;
842 sigemptyset(&sa_hup.sa_mask);
844 sigaction(SIGHUP, &sa_hup, NULL);
846 // Ignore SIGPIPE, otherwise it will bring the daemon down if the client closes unexpectedly
847 signal(SIGPIPE, SIG_IGN);
850 std::set_new_handler(new_handler_terminate);
852 // ********************************************************* Step 2: parameter interactions
853 const CChainParams& chainparams = Params();
855 // Set this early so that experimental features are correctly enabled/disabled
856 fExperimentalMode = GetBoolArg("-experimentalfeatures", false);
858 // Fail early if user has set experimental options without the global flag
859 if (!fExperimentalMode) {
860 if (mapArgs.count("-developerencryptwallet")) {
861 return InitError(_("Wallet encryption requires -experimentalfeatures."));
863 else if (mapArgs.count("-paymentdisclosure")) {
864 return InitError(_("Payment disclosure requires -experimentalfeatures."));
865 } else if (mapArgs.count("-zmergetoaddress")) {
866 return InitError(_("RPC method z_mergetoaddress requires -experimentalfeatures."));
870 // Set this early so that parameter interactions go to console
871 fPrintToConsole = GetBoolArg("-printtoconsole", false);
872 fLogTimestamps = GetBoolArg("-logtimestamps", true);
873 fLogIPs = GetBoolArg("-logips", false);
875 LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
876 LogPrintf("Zcash version %s (%s)\n", FormatFullVersion(), CLIENT_DATE);
878 // when specifying an explicit binding address, you want to listen on it
879 // even when -connect or -proxy is specified
880 if (mapArgs.count("-bind")) {
881 if (SoftSetBoolArg("-listen", true))
882 LogPrintf("%s: parameter interaction: -bind set -> setting -listen=1\n", __func__);
884 if (mapArgs.count("-whitebind")) {
885 if (SoftSetBoolArg("-listen", true))
886 LogPrintf("%s: parameter interaction: -whitebind set -> setting -listen=1\n", __func__);
889 if (mapArgs.count("-connect") && mapMultiArgs["-connect"].size() > 0) {
890 // when only connecting to trusted nodes, do not seed via DNS, or listen by default
891 if (SoftSetBoolArg("-dnsseed", false))
892 LogPrintf("%s: parameter interaction: -connect set -> setting -dnsseed=0\n", __func__);
893 if (SoftSetBoolArg("-listen", false))
894 LogPrintf("%s: parameter interaction: -connect set -> setting -listen=0\n", __func__);
897 if (mapArgs.count("-proxy")) {
898 // to protect privacy, do not listen by default if a default proxy server is specified
899 if (SoftSetBoolArg("-listen", false))
900 LogPrintf("%s: parameter interaction: -proxy set -> setting -listen=0\n", __func__);
901 // to protect privacy, do not discover addresses by default
902 if (SoftSetBoolArg("-discover", false))
903 LogPrintf("%s: parameter interaction: -proxy set -> setting -discover=0\n", __func__);
906 if (!GetBoolArg("-listen", DEFAULT_LISTEN)) {
907 // do not try to retrieve public IP when not listening (pointless)
908 if (SoftSetBoolArg("-discover", false))
909 LogPrintf("%s: parameter interaction: -listen=0 -> setting -discover=0\n", __func__);
910 if (SoftSetBoolArg("-listenonion", false))
911 LogPrintf("%s: parameter interaction: -listen=0 -> setting -listenonion=0\n", __func__);
914 if (mapArgs.count("-externalip")) {
915 // if an explicit public IP is specified, do not try to find others
916 if (SoftSetBoolArg("-discover", false))
917 LogPrintf("%s: parameter interaction: -externalip set -> setting -discover=0\n", __func__);
920 if (GetBoolArg("-salvagewallet", false)) {
921 // Rewrite just private keys: rescan to find transactions
922 if (SoftSetBoolArg("-rescan", true))
923 LogPrintf("%s: parameter interaction: -salvagewallet=1 -> setting -rescan=1\n", __func__);
926 // -zapwallettx implies a rescan
927 if (GetBoolArg("-zapwallettxes", false)) {
928 if (SoftSetBoolArg("-rescan", true))
929 LogPrintf("%s: parameter interaction: -zapwallettxes=<mode> -> setting -rescan=1\n", __func__);
932 // Make sure enough file descriptors are available
933 int nBind = std::max((int)mapArgs.count("-bind") + (int)mapArgs.count("-whitebind"), 1);
934 nMaxConnections = GetArg("-maxconnections", DEFAULT_MAX_PEER_CONNECTIONS);
935 nMaxConnections = std::max(std::min(nMaxConnections, (int)(FD_SETSIZE - nBind - MIN_CORE_FILEDESCRIPTORS)), 0);
936 int nFD = RaiseFileDescriptorLimit(nMaxConnections + MIN_CORE_FILEDESCRIPTORS);
937 if (nFD < MIN_CORE_FILEDESCRIPTORS)
938 return InitError(_("Not enough file descriptors available."));
939 if (nFD - MIN_CORE_FILEDESCRIPTORS < nMaxConnections)
940 nMaxConnections = nFD - MIN_CORE_FILEDESCRIPTORS;
942 // if using block pruning, then disable txindex
943 // also disable the wallet (for now, until SPV support is implemented in wallet)
944 if (GetArg("-prune", 0)) {
945 if (GetBoolArg("-txindex", true))
946 return InitError(_("Prune mode is incompatible with -txindex."));
948 if (!GetBoolArg("-disablewallet", false)) {
949 if (SoftSetBoolArg("-disablewallet", true))
950 LogPrintf("%s : parameter interaction: -prune -> setting -disablewallet=1\n", __func__);
952 return InitError(_("Can't run with a wallet in prune mode."));
957 // ********************************************************* Step 3: parameter-to-internal-flags
959 fDebug = !mapMultiArgs["-debug"].empty();
960 // Special-case: if -debug=0/-nodebug is set, turn off debugging messages
961 const vector<string>& categories = mapMultiArgs["-debug"];
962 if (GetBoolArg("-nodebug", false) || find(categories.begin(), categories.end(), string("0")) != categories.end())
965 // Special case: if debug=zrpcunsafe, implies debug=zrpc, so add it to debug categories
966 if (find(categories.begin(), categories.end(), string("zrpcunsafe")) != categories.end()) {
967 if (find(categories.begin(), categories.end(), string("zrpc")) == categories.end()) {
968 LogPrintf("%s: parameter interaction: setting -debug=zrpcunsafe -> -debug=zrpc\n", __func__);
969 vector<string>& v = mapMultiArgs["-debug"];
974 // Check for -debugnet
975 if (GetBoolArg("-debugnet", false))
976 InitWarning(_("Warning: Unsupported argument -debugnet ignored, use -debug=net."));
977 // Check for -socks - as this is a privacy risk to continue, exit here
978 if (mapArgs.count("-socks"))
979 return InitError(_("Error: Unsupported argument -socks found. Setting SOCKS version isn't possible anymore, only SOCKS5 proxies are supported."));
980 // Check for -tor - as this is a privacy risk to continue, exit here
981 if (GetBoolArg("-tor", false))
982 return InitError(_("Error: Unsupported argument -tor found, use -onion."));
984 if (GetBoolArg("-benchmark", false))
985 InitWarning(_("Warning: Unsupported argument -benchmark ignored, use -debug=bench."));
987 // Checkmempool and checkblockindex default to true in regtest mode
988 int ratio = std::min<int>(std::max<int>(GetArg("-checkmempool", chainparams.DefaultConsistencyChecks() ? 1 : 0), 0), 1000000);
990 mempool.setSanityCheck(1.0 / ratio);
992 fCheckBlockIndex = GetBoolArg("-checkblockindex", chainparams.DefaultConsistencyChecks());
993 fCheckpointsEnabled = GetBoolArg("-checkpoints", true);
995 // -par=0 means autodetect, but nScriptCheckThreads==0 means no concurrency
996 nScriptCheckThreads = GetArg("-par", DEFAULT_SCRIPTCHECK_THREADS);
997 if (nScriptCheckThreads <= 0)
998 nScriptCheckThreads += GetNumCores();
999 if (nScriptCheckThreads <= 1)
1000 nScriptCheckThreads = 0;
1001 else if (nScriptCheckThreads > MAX_SCRIPTCHECK_THREADS)
1002 nScriptCheckThreads = MAX_SCRIPTCHECK_THREADS;
1004 fServer = GetBoolArg("-server", false);
1006 // block pruning; get the amount of disk space (in MB) to allot for block & undo files
1007 int64_t nSignedPruneTarget = GetArg("-prune", 0) * 1024 * 1024;
1008 if (nSignedPruneTarget < 0) {
1009 return InitError(_("Prune cannot be configured with a negative value."));
1011 nPruneTarget = (uint64_t) nSignedPruneTarget;
1013 if (nPruneTarget < MIN_DISK_SPACE_FOR_BLOCK_FILES) {
1014 return InitError(strprintf(_("Prune configured below the minimum of %d MB. Please use a higher number."), MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024));
1016 LogPrintf("Prune configured to target %uMiB on disk for block and undo files.\n", nPruneTarget / 1024 / 1024);
1020 RegisterAllCoreRPCCommands(tableRPC);
1021 #ifdef ENABLE_WALLET
1022 bool fDisableWallet = GetBoolArg("-disablewallet", false);
1023 if (!fDisableWallet)
1024 RegisterWalletRPCCommands(tableRPC);
1027 nConnectTimeout = GetArg("-timeout", DEFAULT_CONNECT_TIMEOUT);
1028 if (nConnectTimeout <= 0)
1029 nConnectTimeout = DEFAULT_CONNECT_TIMEOUT;
1031 // Fee-per-kilobyte amount considered the same as "free"
1032 // If you are mining, be careful setting this:
1033 // if you set it to zero then
1034 // a transaction spammer can cheaply fill blocks using
1035 // 1-satoshi-fee transactions. It should be set above the real
1036 // cost to you of processing a transaction.
1037 if (mapArgs.count("-minrelaytxfee"))
1040 if (ParseMoney(mapArgs["-minrelaytxfee"], n) && n > 0)
1041 ::minRelayTxFee = CFeeRate(n);
1043 return InitError(strprintf(_("Invalid amount for -minrelaytxfee=<amount>: '%s'"), mapArgs["-minrelaytxfee"]));
1046 #ifdef ENABLE_WALLET
1047 if (mapArgs.count("-mintxfee"))
1050 if (ParseMoney(mapArgs["-mintxfee"], n) && n > 0)
1051 CWallet::minTxFee = CFeeRate(n);
1053 return InitError(strprintf(_("Invalid amount for -mintxfee=<amount>: '%s'"), mapArgs["-mintxfee"]));
1055 if (mapArgs.count("-paytxfee"))
1057 CAmount nFeePerK = 0;
1058 if (!ParseMoney(mapArgs["-paytxfee"], nFeePerK))
1059 return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s'"), mapArgs["-paytxfee"]));
1060 if (nFeePerK > nHighTransactionFeeWarning)
1061 InitWarning(_("Warning: -paytxfee is set very high! This is the transaction fee you will pay if you send a transaction."));
1062 payTxFee = CFeeRate(nFeePerK, 1000);
1063 if (payTxFee < ::minRelayTxFee)
1065 return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s' (must be at least %s)"),
1066 mapArgs["-paytxfee"], ::minRelayTxFee.ToString()));
1069 if (mapArgs.count("-maxtxfee"))
1071 CAmount nMaxFee = 0;
1072 if (!ParseMoney(mapArgs["-maxtxfee"], nMaxFee))
1073 return InitError(strprintf(_("Invalid amount for -maxtxfee=<amount>: '%s'"), mapArgs["-maptxfee"]));
1074 if (nMaxFee > nHighTransactionMaxFeeWarning)
1075 InitWarning(_("Warning: -maxtxfee is set very high! Fees this large could be paid on a single transaction."));
1077 if (CFeeRate(maxTxFee, 1000) < ::minRelayTxFee)
1079 return InitError(strprintf(_("Invalid amount for -maxtxfee=<amount>: '%s' (must be at least the minrelay fee of %s to prevent stuck transactions)"),
1080 mapArgs["-maxtxfee"], ::minRelayTxFee.ToString()));
1083 nTxConfirmTarget = GetArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET);
1084 expiryDelta = GetArg("-txexpirydelta", DEFAULT_TX_EXPIRY_DELTA);
1085 bSpendZeroConfChange = GetBoolArg("-spendzeroconfchange", true);
1086 fSendFreeTransactions = GetBoolArg("-sendfreetransactions", false);
1088 std::string strWalletFile = GetArg("-wallet", "wallet.dat");
1089 #endif // ENABLE_WALLET
1091 fIsBareMultisigStd = GetBoolArg("-permitbaremultisig", true);
1092 nMaxDatacarrierBytes = GetArg("-datacarriersize", nMaxDatacarrierBytes);
1094 fAlerts = GetBoolArg("-alerts", DEFAULT_ALERTS);
1096 // Option to startup with mocktime set (used for regression testing):
1097 SetMockTime(GetArg("-mocktime", 0)); // SetMockTime(0) is a no-op
1099 if (GetBoolArg("-peerbloomfilters", true))
1100 nLocalServices |= NODE_BLOOM;
1102 nMaxTipAge = GetArg("-maxtipage", DEFAULT_MAX_TIP_AGE);
1104 #ifdef ENABLE_MINING
1105 if (mapArgs.count("-mineraddress")) {
1106 CTxDestination addr = DecodeDestination(mapArgs["-mineraddress"]);
1107 if (!IsValidDestination(addr)) {
1108 return InitError(strprintf(
1109 _("Invalid address for -mineraddress=<addr>: '%s' (must be a transparent address)"),
1110 mapArgs["-mineraddress"]));
1115 // Default value of 0 for mempooltxinputlimit means no limit is applied
1116 if (mapArgs.count("-mempooltxinputlimit")) {
1117 int64_t limit = GetArg("-mempooltxinputlimit", 0);
1119 return InitError(_("Mempool limit on transparent inputs to a transaction cannot be negative"));
1120 } else if (limit > 0) {
1121 LogPrintf("Mempool configured to reject transactions with greater than %lld transparent inputs\n", limit);
1125 if (!mapMultiArgs["-nuparams"].empty()) {
1126 // Allow overriding network upgrade parameters for testing
1127 if (Params().NetworkIDString() != "regtest") {
1128 return InitError("Network upgrade parameters may only be overridden on regtest.");
1130 const vector<string>& deployments = mapMultiArgs["-nuparams"];
1131 for (auto i : deployments) {
1132 std::vector<std::string> vDeploymentParams;
1133 boost::split(vDeploymentParams, i, boost::is_any_of(":"));
1134 if (vDeploymentParams.size() != 2) {
1135 return InitError("Network upgrade parameters malformed, expecting hexBranchId:activationHeight");
1137 int nActivationHeight;
1138 if (!ParseInt32(vDeploymentParams[1], &nActivationHeight)) {
1139 return InitError(strprintf("Invalid nActivationHeight (%s)", vDeploymentParams[1]));
1142 // Exclude Sprout from upgrades
1143 for (auto i = Consensus::BASE_SPROUT + 1; i < Consensus::MAX_NETWORK_UPGRADES; ++i)
1145 if (vDeploymentParams[0].compare(HexInt(NetworkUpgradeInfo[i].nBranchId)) == 0) {
1146 UpdateNetworkUpgradeParameters(Consensus::UpgradeIndex(i), nActivationHeight);
1148 LogPrintf("Setting network upgrade activation parameters for %s to height=%d\n", vDeploymentParams[0], nActivationHeight);
1153 return InitError(strprintf("Invalid network upgrade (%s)", vDeploymentParams[0]));
1158 // ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
1160 // Initialize libsodium
1161 if (init_and_check_sodium() == -1) {
1165 // Initialize elliptic curve code
1167 globalVerifyHandle.reset(new ECCVerifyHandle());
1169 // set the hash algorithm to use for this chain
1170 extern uint32_t ASSETCHAINS_ALGO, ASSETCHAINS_VERUSHASH;
1171 if (ASSETCHAINS_ALGO == ASSETCHAINS_VERUSHASH)
1173 // initialize VerusHash
1175 CVerusHashV2::init();
1176 CBlockHeader::SetVerusV2Hash();
1177 if (strcmp(ASSETCHAINS_SYMBOL,"VRSC") == 0)
1179 CConstVerusSolutionVector::activationHeight.SetActivationHeight(CActivationHeight::SOLUTION_VERUSV2, 310000);
1183 CConstVerusSolutionVector::activationHeight.SetActivationHeight(CActivationHeight::SOLUTION_VERUSV2, 1);
1184 CConstVerusSolutionVector::activationHeight.SetActivationHeight(CActivationHeight::SOLUTION_VERUSV3, 1);
1189 if (!InitSanityCheck())
1190 return InitError(_("Initialization sanity check failed. Komodo is shutting down."));
1192 std::string strDataDir = GetDataDir().string();
1193 #ifdef ENABLE_WALLET
1194 // Wallet file must be a plain filename without a directory
1195 if (strWalletFile != boost::filesystem::basename(strWalletFile) + boost::filesystem::extension(strWalletFile))
1196 return InitError(strprintf(_("Wallet %s resides outside data directory %s"), strWalletFile, strDataDir));
1198 // Make sure only a single Bitcoin process is using the data directory.
1199 boost::filesystem::path pathLockFile = GetDataDir() / ".lock";
1200 FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
1201 if (file) fclose(file);
1204 static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
1205 if (!lock.try_lock())
1206 return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Komodo is probably already running."), strDataDir));
1207 } catch(const boost::interprocess::interprocess_exception& e) {
1208 return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Komodo is probably already running.") + " %s.", strDataDir, e.what()));
1212 CreatePidFile(GetPidFile(), getpid());
1214 if (GetBoolArg("-shrinkdebugfile", !fDebug))
1216 LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
1217 LogPrintf("Komodo version %s (%s)\n", FormatFullVersion(), CLIENT_DATE);
1219 if (fPrintToDebugLog)
1221 LogPrintf("Using OpenSSL version %s\n", SSLeay_version(SSLEAY_VERSION));
1222 #ifdef ENABLE_WALLET
1223 LogPrintf("Using BerkeleyDB version %s\n", DbEnv::version(0, 0, 0));
1225 if (!fLogTimestamps)
1226 LogPrintf("Startup time: %s\n", DateTimeStrFormat("%Y-%m-%d %H:%M:%S", GetTime()));
1227 LogPrintf("Default data directory %s\n", GetDefaultDataDir().string());
1228 LogPrintf("Using data directory %s\n", strDataDir);
1229 LogPrintf("Using config file %s\n", GetConfigFile().string());
1230 LogPrintf("Using at most %i connections (%i file descriptors available)\n", nMaxConnections, nFD);
1231 std::ostringstream strErrors;
1233 LogPrintf("Using %u threads for script verification\n", nScriptCheckThreads);
1234 if (nScriptCheckThreads) {
1235 for (int i=0; i<nScriptCheckThreads-1; i++)
1236 threadGroup.create_thread(&ThreadScriptCheck);
1239 // Start the lightweight task scheduler thread
1240 CScheduler::Function serviceLoop = boost::bind(&CScheduler::serviceQueue, &scheduler);
1241 threadGroup.create_thread(boost::bind(&TraceThread<CScheduler::Function>, "scheduler", serviceLoop));
1246 if ((chainparams.NetworkIDString() != "regtest") &&
1247 GetBoolArg("-showmetrics", 0) &&
1248 !fPrintToConsole && !GetBoolArg("-daemon", false)) {
1249 // Start the persistent metrics interface
1250 ConnectMetricsScreen();
1251 threadGroup.create_thread(&ThreadShowMetricsScreen);
1254 // These must be disabled for now, they are buggy and we probably don't
1255 // want any of libsnark's profiling in production anyway.
1256 libsnark::inhibit_profiling_info = true;
1257 libsnark::inhibit_profiling_counters = true;
1259 // Initialize Zcash circuit parameters
1260 ZC_LoadParams(chainparams);
1262 /* Start the RPC server already. It will be started in "warmup" mode
1263 * and not really process calls already (but it will signify connections
1264 * that the server is there and will be ready later). Warmup mode will
1265 * be disabled when initialisation is finished.
1269 uiInterface.InitMessage.connect(SetRPCWarmupStatus);
1270 if (!AppInitServers(threadGroup))
1271 return InitError(_("Unable to start HTTP server. See debug log for details."));
1276 // ********************************************************* Step 5: verify wallet database integrity
1277 #ifdef ENABLE_WALLET
1278 if (!fDisableWallet) {
1279 LogPrintf("Using wallet %s\n", strWalletFile);
1280 uiInterface.InitMessage(_("Verifying wallet..."));
1282 std::string warningString;
1283 std::string errorString;
1285 if (!CWallet::Verify(strWalletFile, warningString, errorString))
1288 if (!warningString.empty())
1289 InitWarning(warningString);
1290 if (!errorString.empty())
1291 return InitError(warningString);
1293 } // (!fDisableWallet)
1294 #endif // ENABLE_WALLET
1295 // ********************************************************* Step 6: network initialization
1297 RegisterNodeSignals(GetNodeSignals());
1299 // sanitize comments per BIP-0014, format user agent and check total size
1300 std::vector<string> uacomments;
1301 BOOST_FOREACH(string cmt, mapMultiArgs["-uacomment"])
1303 if (cmt != SanitizeString(cmt, SAFE_CHARS_UA_COMMENT))
1304 return InitError(strprintf("User Agent comment (%s) contains unsafe characters.", cmt));
1305 uacomments.push_back(SanitizeString(cmt, SAFE_CHARS_UA_COMMENT));
1307 strSubVersion = FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, uacomments);
1308 if (strSubVersion.size() > MAX_SUBVERSION_LENGTH) {
1309 return InitError(strprintf("Total length of network version string %i exceeds maximum of %i characters. Reduce the number and/or size of uacomments.",
1310 strSubVersion.size(), MAX_SUBVERSION_LENGTH));
1313 if (mapArgs.count("-onlynet")) {
1314 std::set<enum Network> nets;
1315 BOOST_FOREACH(const std::string& snet, mapMultiArgs["-onlynet"]) {
1316 enum Network net = ParseNetwork(snet);
1317 if (net == NET_UNROUTABLE)
1318 return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet));
1321 for (int n = 0; n < NET_MAX; n++) {
1322 enum Network net = (enum Network)n;
1323 if (!nets.count(net))
1328 if (mapArgs.count("-whitelist")) {
1329 BOOST_FOREACH(const std::string& net, mapMultiArgs["-whitelist"]) {
1330 CSubNet subnet(net);
1331 if (!subnet.IsValid())
1332 return InitError(strprintf(_("Invalid netmask specified in -whitelist: '%s'"), net));
1333 CNode::AddWhitelistedRange(subnet);
1337 bool proxyRandomize = GetBoolArg("-proxyrandomize", true);
1338 // -proxy sets a proxy for all outgoing network traffic
1339 // -noproxy (or -proxy=0) as well as the empty string can be used to not set a proxy, this is the default
1340 std::string proxyArg = GetArg("-proxy", "");
1341 SetLimited(NET_TOR);
1342 if (proxyArg != "" && proxyArg != "0") {
1343 proxyType addrProxy = proxyType(CService(proxyArg, 9050), proxyRandomize);
1344 if (!addrProxy.IsValid())
1345 return InitError(strprintf(_("Invalid -proxy address: '%s'"), proxyArg));
1347 SetProxy(NET_IPV4, addrProxy);
1348 SetProxy(NET_IPV6, addrProxy);
1349 SetProxy(NET_TOR, addrProxy);
1350 SetNameProxy(addrProxy);
1351 SetLimited(NET_TOR, false); // by default, -proxy sets onion as reachable, unless -noonion later
1354 // -onion can be used to set only a proxy for .onion, or override normal proxy for .onion addresses
1355 // -noonion (or -onion=0) disables connecting to .onion entirely
1356 // An empty string is used to not override the onion proxy (in which case it defaults to -proxy set above, or none)
1357 std::string onionArg = GetArg("-onion", "");
1358 if (onionArg != "") {
1359 if (onionArg == "0") { // Handle -noonion/-onion=0
1360 SetLimited(NET_TOR); // set onions as unreachable
1362 proxyType addrOnion = proxyType(CService(onionArg, 9050), proxyRandomize);
1363 if (!addrOnion.IsValid())
1364 return InitError(strprintf(_("Invalid -onion address: '%s'"), onionArg));
1365 SetProxy(NET_TOR, addrOnion);
1366 SetLimited(NET_TOR, false);
1370 // see Step 2: parameter interactions for more information about these
1371 fListen = GetBoolArg("-listen", DEFAULT_LISTEN);
1372 fDiscover = GetBoolArg("-discover", true);
1373 fNameLookup = GetBoolArg("-dns", true);
1375 bool fBound = false;
1377 if (mapArgs.count("-bind") || mapArgs.count("-whitebind")) {
1378 BOOST_FOREACH(const std::string& strBind, mapMultiArgs["-bind"]) {
1380 if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false))
1381 return InitError(strprintf(_("Cannot resolve -bind address: '%s'"), strBind));
1382 fBound |= Bind(addrBind, (BF_EXPLICIT | BF_REPORT_ERROR));
1384 BOOST_FOREACH(const std::string& strBind, mapMultiArgs["-whitebind"]) {
1386 if (!Lookup(strBind.c_str(), addrBind, 0, false))
1387 return InitError(strprintf(_("Cannot resolve -whitebind address: '%s'"), strBind));
1388 if (addrBind.GetPort() == 0)
1389 return InitError(strprintf(_("Need to specify a port with -whitebind: '%s'"), strBind));
1390 fBound |= Bind(addrBind, (BF_EXPLICIT | BF_REPORT_ERROR | BF_WHITELIST));
1394 struct in_addr inaddr_any;
1395 inaddr_any.s_addr = INADDR_ANY;
1396 fBound |= Bind(CService(in6addr_any, GetListenPort()), BF_NONE);
1397 fBound |= Bind(CService(inaddr_any, GetListenPort()), !fBound ? BF_REPORT_ERROR : BF_NONE);
1400 return InitError(_("Failed to listen on any port. Use -listen=0 if you want this."));
1403 if (mapArgs.count("-externalip")) {
1404 BOOST_FOREACH(const std::string& strAddr, mapMultiArgs["-externalip"]) {
1405 CService addrLocal(strAddr, GetListenPort(), fNameLookup);
1406 if (!addrLocal.IsValid())
1407 return InitError(strprintf(_("Cannot resolve -externalip address: '%s'"), strAddr));
1408 AddLocal(CService(strAddr, GetListenPort(), fNameLookup), LOCAL_MANUAL);
1412 BOOST_FOREACH(const std::string& strDest, mapMultiArgs["-seednode"])
1413 AddOneShot(strDest);
1416 pzmqNotificationInterface = CZMQNotificationInterface::CreateWithArguments(mapArgs);
1418 if (pzmqNotificationInterface) {
1419 RegisterValidationInterface(pzmqNotificationInterface);
1424 pAMQPNotificationInterface = AMQPNotificationInterface::CreateWithArguments(mapArgs);
1426 if (pAMQPNotificationInterface) {
1428 // AMQP support is currently an experimental feature, so fail if user configured AMQP notifications
1429 // without enabling experimental features.
1430 if (!fExperimentalMode) {
1431 return InitError(_("AMQP support requires -experimentalfeatures."));
1434 RegisterValidationInterface(pAMQPNotificationInterface);
1438 // ********************************************************* Step 7: load block chain
1440 fReindex = GetBoolArg("-reindex", false);
1442 // Upgrading to 0.8; hard-link the old blknnnn.dat files into /blocks/
1443 boost::filesystem::path blocksDir = GetDataDir() / "blocks";
1444 if (!boost::filesystem::exists(blocksDir))
1446 boost::filesystem::create_directories(blocksDir);
1447 bool linked = false;
1448 for (unsigned int i = 1; i < 10000; i++) {
1449 boost::filesystem::path source = GetDataDir() / strprintf("blk%04u.dat", i);
1450 if (!boost::filesystem::exists(source)) break;
1451 boost::filesystem::path dest = blocksDir / strprintf("blk%05u.dat", i-1);
1453 boost::filesystem::create_hard_link(source, dest);
1454 LogPrintf("Hardlinked %s -> %s\n", source.string(), dest.string());
1456 } catch (const boost::filesystem::filesystem_error& e) {
1457 // Note: hardlink creation failing is not a disaster, it just means
1458 // blocks will get re-downloaded from peers.
1459 LogPrintf("Error hardlinking blk%04u.dat: %s\n", i, e.what());
1469 // block tree db settings
1470 int dbMaxOpenFiles = GetArg("-dbmaxopenfiles", DEFAULT_DB_MAX_OPEN_FILES);
1471 bool dbCompression = GetBoolArg("-dbcompression", DEFAULT_DB_COMPRESSION);
1473 LogPrintf("Block index database configuration:\n");
1474 LogPrintf("* Using %d max open files\n", dbMaxOpenFiles);
1475 LogPrintf("* Compression is %s\n", dbCompression ? "enabled" : "disabled");
1477 // cache size calculations
1478 int64_t nTotalCache = (GetArg("-dbcache", nDefaultDbCache) << 20);
1479 nTotalCache = std::max(nTotalCache, nMinDbCache << 20); // total cache cannot be less than nMinDbCache
1480 nTotalCache = std::min(nTotalCache, nMaxDbCache << 20); // total cache cannot be greated than nMaxDbcache
1481 int64_t nBlockTreeDBCache = nTotalCache / 8;
1483 if (GetBoolArg("-addressindex", DEFAULT_ADDRESSINDEX) || GetBoolArg("-spentindex", DEFAULT_SPENTINDEX)) {
1484 // enable 3/4 of the cache if addressindex and/or spentindex is enabled
1485 nBlockTreeDBCache = nTotalCache * 3 / 4;
1487 if (nBlockTreeDBCache > (1 << 21) && !GetBoolArg("-txindex", false)) {
1488 nBlockTreeDBCache = (1 << 21); // block tree db cache shouldn't be larger than 2 MiB
1491 nTotalCache -= nBlockTreeDBCache;
1492 int64_t nCoinDBCache = std::min(nTotalCache / 2, (nTotalCache / 4) + (1 << 23)); // use 25%-50% of the remainder for disk cache
1493 nTotalCache -= nCoinDBCache;
1494 nCoinCacheUsage = nTotalCache; // the rest goes to in-memory cache
1495 LogPrintf("Cache configuration:\n");
1496 LogPrintf("* Max cache setting possible %.1fMiB\n", nMaxDbCache);
1497 LogPrintf("* Using %.1fMiB for block index database\n", nBlockTreeDBCache * (1.0 / 1024 / 1024));
1498 LogPrintf("* Using %.1fMiB for chain state database\n", nCoinDBCache * (1.0 / 1024 / 1024));
1499 LogPrintf("* Using %.1fMiB for in-memory UTXO set\n", nCoinCacheUsage * (1.0 / 1024 / 1024));
1501 if ( fReindex == 0 )
1503 bool checkval,fAddressIndex,fSpentIndex;
1504 pblocktree = new CBlockTreeDB(nBlockTreeDBCache, false, fReindex, dbCompression, dbMaxOpenFiles);
1505 fAddressIndex = GetBoolArg("-addressindex", DEFAULT_ADDRESSINDEX);
1506 pblocktree->ReadFlag("addressindex", checkval);
1507 if ( checkval != fAddressIndex )
1509 pblocktree->WriteFlag("addressindex", fAddressIndex);
1510 fprintf(stderr,"set addressindex, will reindex. sorry will take a while.\n");
1513 fSpentIndex = GetBoolArg("-spentindex", DEFAULT_SPENTINDEX);
1514 pblocktree->ReadFlag("spentindex", checkval);
1515 if ( checkval != fSpentIndex )
1517 pblocktree->WriteFlag("spentindex", fSpentIndex);
1518 fprintf(stderr,"set spentindex, will reindex. sorry will take a while.\n");
1523 bool clearWitnessCaches = false;
1525 bool fLoaded = false;
1527 bool fReset = fReindex;
1528 std::string strLoadError;
1530 uiInterface.InitMessage(_("Loading block index..."));
1532 nStart = GetTimeMillis();
1537 delete pcoinsdbview;
1538 delete pcoinscatcher;
1540 delete pnotarisations;
1542 pblocktree = new CBlockTreeDB(nBlockTreeDBCache, false, fReindex, dbCompression, dbMaxOpenFiles);
1543 pcoinsdbview = new CCoinsViewDB(nCoinDBCache, false, fReindex);
1544 pcoinscatcher = new CCoinsViewErrorCatcher(pcoinsdbview);
1545 pcoinsTip = new CCoinsViewCache(pcoinscatcher);
1546 pnotarisations = new NotarisationDB(100*1024*1024, false, fReindex);
1550 pblocktree->WriteReindexing(true);
1551 //If we're reindexing in prune mode, wipe away unusable block files and all undo data files
1553 CleanupBlockRevFiles();
1556 if (!LoadBlockIndex()) {
1557 strLoadError = _("Error loading block database");
1561 // If the loaded chain has a wrong genesis, bail out immediately
1562 // (we're likely using a testnet datadir, or the other way around).
1563 if (!mapBlockIndex.empty() && mapBlockIndex.count(chainparams.GetConsensus().hashGenesisBlock) == 0)
1564 return InitError(_("Incorrect or no genesis block found. Wrong datadir for network?"));
1566 // Initialize the block index (no-op if non-empty database was already loaded)
1567 if (!InitBlockIndex()) {
1568 strLoadError = _("Error initializing block database");
1571 KOMODO_LOADINGBLOCKS = 0;
1572 // Check for changed -txindex state
1573 if (fTxIndex != GetBoolArg("-txindex", true)) {
1574 strLoadError = _("You need to rebuild the database using -reindex to change -txindex");
1578 // Check for changed -prune state. What we are concerned about is a user who has pruned blocks
1579 // in the past, but is now trying to run unpruned.
1580 if (fHavePruned && !fPruneMode) {
1581 strLoadError = _("You need to rebuild the database using -reindex to go back to unpruned mode. This will redownload the entire blockchain");
1586 uiInterface.InitMessage(_("Rewinding blocks if needed..."));
1587 if (!RewindBlockIndex(chainparams, clearWitnessCaches)) {
1588 strLoadError = _("Unable to rewind the database to a pre-upgrade state. You will need to redownload the blockchain");
1593 uiInterface.InitMessage(_("Verifying blocks..."));
1594 if (fHavePruned && GetArg("-checkblocks", 288) > MIN_BLOCKS_TO_KEEP) {
1595 LogPrintf("Prune: pruned datadir may not have more than %d blocks; -checkblocks=%d may fail\n",
1596 MIN_BLOCKS_TO_KEEP, GetArg("-checkblocks", 288));
1598 if ( KOMODO_REWIND == 0 )
1600 if (!CVerifyDB().VerifyDB(pcoinsdbview, GetArg("-checklevel", 3),
1601 GetArg("-checkblocks", 288))) {
1602 strLoadError = _("Corrupted block database detected");
1606 } catch (const std::exception& e) {
1607 if (fDebug) LogPrintf("%s\n", e.what());
1608 strLoadError = _("Error opening block database");
1616 // first suggest a reindex
1618 bool fRet = uiInterface.ThreadSafeMessageBox(
1619 strLoadError + ".\n\n" + _("error in HDD data, might just need to update to latest, if that doesnt work, then you need to resync"),
1620 "", CClientUIInterface::MSG_ERROR | CClientUIInterface::BTN_ABORT);
1623 fRequestShutdown = false;
1625 LogPrintf("Aborted block database rebuild. Exiting.\n");
1629 return InitError(strLoadError);
1633 KOMODO_LOADINGBLOCKS = 0;
1635 // As LoadBlockIndex can take several minutes, it's possible the user
1636 // requested to kill the GUI during the last operation. If so, exit.
1637 // As the program has not fully started yet, Shutdown() is possibly overkill.
1638 if (fRequestShutdown)
1640 LogPrintf("Shutdown requested. Exiting.\n");
1643 LogPrintf(" block index %15dms\n", GetTimeMillis() - nStart);
1645 boost::filesystem::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME;
1646 CAutoFile est_filein(fopen(est_path.string().c_str(), "rb"), SER_DISK, CLIENT_VERSION);
1647 // Allowed to fail as this file IS missing on first startup.
1648 if (!est_filein.IsNull())
1649 mempool.ReadFeeEstimates(est_filein);
1650 fFeeEstimatesInitialized = true;
1653 // ********************************************************* Step 8: load wallet
1654 #ifdef ENABLE_WALLET
1655 if (fDisableWallet) {
1657 LogPrintf("Wallet disabled!\n");
1660 // needed to restore wallet transaction meta data after -zapwallettxes
1661 std::vector<CWalletTx> vWtx;
1663 if (GetBoolArg("-zapwallettxes", false)) {
1664 uiInterface.InitMessage(_("Zapping all transactions from wallet..."));
1666 pwalletMain = new CWallet(strWalletFile);
1667 DBErrors nZapWalletRet = pwalletMain->ZapWalletTx(vWtx);
1668 if (nZapWalletRet != DB_LOAD_OK) {
1669 uiInterface.InitMessage(_("Error loading wallet.dat: Wallet corrupted"));
1677 uiInterface.InitMessage(_("Loading wallet..."));
1679 nStart = GetTimeMillis();
1680 bool fFirstRun = true;
1681 pwalletMain = new CWallet(strWalletFile);
1682 DBErrors nLoadWalletRet = pwalletMain->LoadWallet(fFirstRun);
1683 if (nLoadWalletRet != DB_LOAD_OK)
1685 if (nLoadWalletRet == DB_CORRUPT)
1686 strErrors << _("Error loading wallet.dat: Wallet corrupted") << "\n";
1687 else if (nLoadWalletRet == DB_NONCRITICAL_ERROR)
1689 string msg(_("Warning: error reading wallet.dat! All keys read correctly, but transaction data"
1690 " or address book entries might be missing or incorrect."));
1693 else if (nLoadWalletRet == DB_TOO_NEW)
1694 strErrors << _("Error loading wallet.dat: Wallet requires newer version of Komodo") << "\n";
1695 else if (nLoadWalletRet == DB_NEED_REWRITE)
1697 strErrors << _("Wallet needed to be rewritten: restart Zcash to complete") << "\n";
1698 LogPrintf("%s", strErrors.str());
1699 return InitError(strErrors.str());
1702 strErrors << _("Error loading wallet.dat") << "\n";
1705 if (GetBoolArg("-upgradewallet", fFirstRun))
1707 int nMaxVersion = GetArg("-upgradewallet", 0);
1708 if (nMaxVersion == 0) // the -upgradewallet without argument case
1710 LogPrintf("Performing wallet upgrade to %i\n", FEATURE_LATEST);
1711 nMaxVersion = CLIENT_VERSION;
1712 pwalletMain->SetMinVersion(FEATURE_LATEST); // permanently upgrade the wallet immediately
1715 LogPrintf("Allowing wallet upgrade up to %i\n", nMaxVersion);
1716 if (nMaxVersion < pwalletMain->GetVersion())
1717 strErrors << _("Cannot downgrade wallet") << "\n";
1718 pwalletMain->SetMaxVersion(nMaxVersion);
1721 if (!pwalletMain->HaveHDSeed())
1723 // generate a new HD seed
1724 pwalletMain->GenerateNewSeed();
1729 // Create new keyUser and set as default key
1730 CPubKey newDefaultKey;
1731 if (pwalletMain->GetKeyFromPool(newDefaultKey)) {
1732 pwalletMain->SetDefaultKey(newDefaultKey);
1733 if (!pwalletMain->SetAddressBook(pwalletMain->vchDefaultKey.GetID(), "", "receive"))
1734 strErrors << _("Cannot write default address") << "\n";
1737 pwalletMain->SetBestChain(chainActive.GetLocator());
1740 LogPrintf("%s", strErrors.str());
1741 LogPrintf(" wallet %15dms\n", GetTimeMillis() - nStart);
1743 RegisterValidationInterface(pwalletMain);
1745 CBlockIndex *pindexRescan = chainActive.Tip();
1746 if (clearWitnessCaches || GetBoolArg("-rescan", false))
1748 pwalletMain->ClearNoteWitnessCache();
1749 pindexRescan = chainActive.Genesis();
1753 CWalletDB walletdb(strWalletFile);
1754 CBlockLocator locator;
1755 if (walletdb.ReadBestBlock(locator))
1756 pindexRescan = FindForkInGlobalIndex(chainActive, locator);
1758 pindexRescan = chainActive.Genesis();
1760 if (chainActive.Tip() && chainActive.Tip() != pindexRescan)
1762 uiInterface.InitMessage(_("Rescanning..."));
1763 LogPrintf("Rescanning last %i blocks (from block %i)...\n", chainActive.Height() - pindexRescan->GetHeight(), pindexRescan->GetHeight());
1764 nStart = GetTimeMillis();
1765 pwalletMain->ScanForWalletTransactions(pindexRescan, true);
1766 LogPrintf(" rescan %15dms\n", GetTimeMillis() - nStart);
1767 pwalletMain->SetBestChain(chainActive.GetLocator());
1770 // Restore wallet transaction metadata after -zapwallettxes=1
1771 if (GetBoolArg("-zapwallettxes", false) && GetArg("-zapwallettxes", "1") != "2")
1773 CWalletDB walletdb(strWalletFile);
1775 BOOST_FOREACH(const CWalletTx& wtxOld, vWtx)
1777 uint256 hash = wtxOld.GetHash();
1778 std::map<uint256, CWalletTx>::iterator mi = pwalletMain->mapWallet.find(hash);
1779 if (mi != pwalletMain->mapWallet.end())
1781 const CWalletTx* copyFrom = &wtxOld;
1782 CWalletTx* copyTo = &mi->second;
1783 copyTo->mapValue = copyFrom->mapValue;
1784 copyTo->vOrderForm = copyFrom->vOrderForm;
1785 copyTo->nTimeReceived = copyFrom->nTimeReceived;
1786 copyTo->nTimeSmart = copyFrom->nTimeSmart;
1787 copyTo->fFromMe = copyFrom->fFromMe;
1788 copyTo->strFromAccount = copyFrom->strFromAccount;
1789 copyTo->nOrderPos = copyFrom->nOrderPos;
1790 copyTo->WriteToDisk(&walletdb);
1795 pwalletMain->SetBroadcastTransactions(GetBoolArg("-walletbroadcast", true));
1796 } // (!fDisableWallet)
1797 #else // ENABLE_WALLET
1798 LogPrintf("No wallet support compiled in!\n");
1799 #endif // !ENABLE_WALLET
1801 #ifdef ENABLE_MINING
1802 #ifndef ENABLE_WALLET
1803 if (GetBoolArg("-minetolocalwallet", false)) {
1804 return InitError(_("Zcash was not built with wallet support. Set -minetolocalwallet=0 to use -mineraddress, or rebuild Zcash with wallet support."));
1806 if (GetArg("-mineraddress", "").empty() && GetBoolArg("-gen", false)) {
1807 return InitError(_("Zcash was not built with wallet support. Set -mineraddress, or rebuild Zcash with wallet support."));
1809 #endif // !ENABLE_WALLET
1811 if (mapArgs.count("-mineraddress")) {
1812 #ifdef ENABLE_WALLET
1813 bool minerAddressInLocalWallet = false;
1815 // Address has alreday been validated
1816 CTxDestination addr = DecodeDestination(mapArgs["-mineraddress"]);
1817 CKeyID keyID = boost::get<CKeyID>(addr);
1818 minerAddressInLocalWallet = pwalletMain->HaveKey(keyID);
1820 if (GetBoolArg("-minetolocalwallet", true) && !minerAddressInLocalWallet) {
1821 return InitError(_("-mineraddress is not in the local wallet. Either use a local address, or set -minetolocalwallet=0"));
1823 #endif // ENABLE_WALLET
1825 #endif // ENABLE_MINING
1827 // ********************************************************* Step 9: data directory maintenance
1829 // if pruning, unset the service bit and perform the initial blockstore prune
1830 // after any wallet rescanning has taken place.
1832 LogPrintf("Unsetting NODE_NETWORK on prune mode\n");
1833 nLocalServices &= ~NODE_NETWORK;
1835 uiInterface.InitMessage(_("Pruning blockstore..."));
1840 // ********************************************************* Step 10: import blocks
1842 if (mapArgs.count("-blocknotify"))
1843 uiInterface.NotifyBlockTip.connect(BlockNotifyCallback);
1844 if ( KOMODO_REWIND >= 0 )
1846 uiInterface.InitMessage(_("Activating best chain..."));
1847 // scan for better chains in the block chain database, that are not yet connected in the active best chain
1848 CValidationState state;
1849 if ( !ActivateBestChain(state))
1850 strErrors << "Failed to connect best block";
1852 std::vector<boost::filesystem::path> vImportFiles;
1853 if (mapArgs.count("-loadblock"))
1855 BOOST_FOREACH(const std::string& strFile, mapMultiArgs["-loadblock"])
1856 vImportFiles.push_back(strFile);
1858 threadGroup.create_thread(boost::bind(&ThreadImport, vImportFiles));
1859 if (chainActive.Tip() == NULL) {
1860 LogPrintf("Waiting for genesis block to be imported...\n");
1861 while (!fRequestShutdown && chainActive.Tip() == NULL)
1865 // ********************************************************* Step 11: start node
1867 if (!CheckDiskSpace())
1870 if (!strErrors.str().empty())
1871 return InitError(strErrors.str());
1874 LogPrintf("mapBlockIndex.size() = %u\n", mapBlockIndex.size());
1875 LogPrintf("nBestHeight = %d\n", chainActive.Height());
1876 #ifdef ENABLE_WALLET
1879 LogPrintf("setKeyPool.size() = %u\n", pwalletMain ? pwalletMain->setKeyPool.size() : 0);
1880 LogPrintf("mapWallet.size() = %u\n", pwalletMain ? pwalletMain->mapWallet.size() : 0);
1881 LogPrintf("mapAddressBook.size() = %u\n", pwalletMain ? pwalletMain->mapAddressBook.size() : 0);
1884 if (GetBoolArg("-listenonion", DEFAULT_LISTEN_ONION))
1885 StartTorControl(threadGroup, scheduler);
1887 StartNode(threadGroup, scheduler);
1889 VERUS_CHEATCATCHER = GetArg("-cheatcatcher", "");
1890 bool gen = GetBoolArg("-gen", false);
1892 #ifdef ENABLE_MINING
1893 // Generate coins in the background
1894 #ifdef ENABLE_WALLET
1895 VERUS_MINTBLOCKS = GetBoolArg("-mint", false);
1896 mapArgs["-gen"] = gen || VERUS_MINTBLOCKS ? "1" : "0";
1897 mapArgs["-genproclimit"] = itostr(GetArg("-genproclimit", gen ? -1 : 0));
1899 if (pwalletMain || !GetArg("-mineraddress", "").empty())
1900 GenerateBitcoins(gen || VERUS_MINTBLOCKS, pwalletMain, GetArg("-genproclimit", gen ? -1 : 0));
1902 GenerateBitcoins(gen, GetArg("-genproclimit", -1));
1906 // ********************************************************* Step 11: finished
1908 SetRPCWarmupFinished();
1909 uiInterface.InitMessage(_("Done loading"));
1911 #ifdef ENABLE_WALLET
1913 // Add wallet transactions that aren't already in a block to mapTransactions
1914 pwalletMain->ReacceptWalletTransactions();
1916 // Run a thread to flush wallet periodically
1917 threadGroup.create_thread(boost::bind(&ThreadFlushWalletDB, boost::ref(pwalletMain->strWalletFile)));
1922 threadGroup.create_thread(boost::bind(ThreadSendAlert));
1924 return !fRequestShutdown;